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https://www.readbyqxmd.com/read/28938713/invited-commentary-can-issues-with-reproducibility-in-science-be-blamed-on-hypothesis-testing
#1
Clarice R Weinberg
In the accompanying article (Am J Epidemiol. 2017;186(6):646-647), Dr. Timothy Lash makes a forceful case that the problems with reproducibility in science stem from our "culture" of null hypothesis significance testing. He notes that when attention is selectively given to statistically significant findings, the estimated effects will be systematically biased away from the null. Here I revisit the recent history of genetic epidemiology and argue for retaining statistical testing as an important part of the tool kit...
September 15, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28938698/a-systematic-review-of-malignancy-associated-hemophagocytic-lymphohistiocytosis-that-needs-more-attentions
#2
REVIEW
Hongluan Wang, Lixia Xiong, Weiping Tang, Ying Zhou, Fei Li
As an infrequent but potentially life-threatening hyperinflammatory syndrome, hemophagocytic lymphohistiocytosis (HLH) is clinically characterized with prolonged fever, hepatosplenomegaly, cytopenia, hypertriglyceridemia, hyperferritinemia and hemophagocytosis in bone marrow, liver, spleen or lymph nodes. Malignancy-associated HLH (M-HLH), one type of acquired HLH, usually presents variable overlaps of symptoms with other types of HLH, thus resulting in higher incidence of misdiagnosis and mortality. In recent years, with the increasing awareness to this disease, the diagnosis and management of HLH have gained more and more attention, and improvements have been made accordingly...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938552/novel-pleiotropic-effects-of-bioactive-phospholipids-in-human-lung-cancer-metastasis
#3
Gabriela Schneider, Zachariah Payne Sellers, Kamila Bujko, Sham S Kakar, Magda Kucia, Mariusz Z Ratajczak
We previously proposed that one of the unwanted side effects of chemotherapy and radiotherapy is the increase in several peptide- and non-peptide based chemoattractants in damaged tissues, leading to induction of a prometastatic microenvironment for remaining cancer cells. Herein, we turned out our attention to a potential role of bioactive phospholipids (BphsLs), such as sphingosine-1-phosphate (S1P), ceramide-1-phosphate (C1P), lysophosphatidylcholine (LPC), and lysophosphatidic acid (LPA) in lung cancer (LC) metastasis...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938517/green-tea-camellia-sinensis-and-l-theanine-medicinal-values-and-beneficial-applications-in-humans-a-comprehensive-review
#4
REVIEW
Muhammad Saeed, Muhammad Naveed, Muhammad Arif, Mohib Ullah Kakar, Robina Manzoor, Mohamed Ezzat Abd El-Hack, Mahmoud Alagawany, Ruchi Tiwari, Rekha Khandia, Ashok Munjal, Kumaragurubaran Karthik, Kuldeep Dhama, Hafiz M N Iqbal, Maryam Dadar, Chao Sun
Green tea (Camellia sinensis) is a famous herb, and its extract has been extensively used in traditional Chinese medicinal system. In this context, several studies have revealed its health benefits and medicinal potentialities for several ailments. With ever increasing scientific knowledge, search for safer, potential and novel type of health-related supplements quest, scientists are re-directing their research interests to explore natural resources i.e. medicinal herbs/plant derived compounds. Green tea consumption has gained a special attention and popularity in the modern era of changing lifestyle...
September 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28938512/numerical-simulation-of-scaling-up-for-aec-mbrs-regarding-membrane-module-configurations-and-cyclic-aeration-modes
#5
Min Yang, Mengmeng Liu, Dawei Yu, Jiaxi Zheng, Zhichao Wu, Shuguang Zhao, Jiang Chang, Yuansong Wei
The airlift external circulation membrane bioreactors (AEC-MBRs) have been attracting attentions due to their capabilities of nutrient removal with lower energy demand and smaller footprint. The gap between laboratory study and full-scale AEC-MBRs regarding hydrodynamics needs to be addressed. In this study, impacts of seven design variables and cyclic aeration modes on hydrodynamics were studied for the scale-up of AEC-MBRs with computational fluid dynamics modelling. The results demonstrated that shear stress on membranes was 14...
September 6, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28938378/severe-corneal-disorders-developed-after-brimonidine-tartrate-ophthalmic-solution-use
#6
Yuko Maruyama, Yoko Ikeda, Norihiko Yokoi, Kazuhiko Mori, Hiroaki Kato, Morio Ueno, Shigeru Kinoshita, Chie Sotozono
PURPOSE: The primary side effects associated with 0.1% brimonidine tartrate (BT) ophthalmic solution with sodium chlorite are allergic conjunctivitis, blepharitis, and conjunctival hyperemia. However, cornea-related side effects are rare. In this study, we report 2 similar cases in which corneal neovascularization, corneal infiltration, and corneal opacity developed after BT eye-drop use. METHODS: Retrospective report of 2 cases of corneal infiltration after BT eye-drop use...
September 21, 2017: Cornea
https://www.readbyqxmd.com/read/28938316/frontal-hyperostosis-in-the-patients-of-craniosynostosis-after-cranial-distraction-osteogenesis
#7
Koji Kawamoto, Cheng Chun Wu, Keisuke Imai
BACKGROUND: Conventional fronto-orbital advancement and distraction osteogenesis (DOG) have been used to treat craniosynostosis, both of which are considered effective. During the authors' practice, a phenomenon of frontal hyperostosis has been observed in the patients of craniosynostosis after DOG, which has yet to be reported in the literature. The purpose of this study is trying to identify the factors related to the phenomenon. MATERIALS AND METHODS: From 1997 to 2010, all patients of craniosynostosis undergoing DOG were reviewed...
September 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28938250/listening-effort-how-the-cognitive-consequences-of-acoustic-challenge-are-reflected-in-brain-and-behavior
#8
Jonathan E Peelle
Everyday conversation frequently includes challenges to the clarity of the acoustic speech signal, including hearing impairment, background noise, and foreign accents. Although an obvious problem is the increased risk of making word identification errors, extracting meaning from a degraded acoustic signal is also cognitively demanding, which contributes to increased listening effort. The concepts of cognitive demand and listening effort are critical in understanding the challenges listeners face in comprehension, which are not fully predicted by audiometric measures...
September 21, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28938222/inter-hemispherical-asymmetry-in-default-mode-functional-connectivity-and-baiap2-gene-are-associated-with-anger-expression-in-adhd-adults
#9
R Hasler, M G Preti, D E Meskaldji, J Prados, W Adouan, C Rodriguez, S Toma, N Hiller, T Ismaili, J Hofmeister, I Sinanaj, P Baud, S Haller, P Giannakopoulos, S Schwartz, N Perroud, D Van De Ville
Attention deficit hyperactivity disorder (ADHD) is accompanied by resting-state alterations, including abnormal activity, connectivity and asymmetry of the default-mode network (DMN). Concurrently, recent studies suggested a link between ADHD and the presence of polymorphisms within the gene BAIAP2 (i.e., brain-specific angiogenesis inhibitor 1-associated protein 2), known to be differentially expressed in brain hemispheres. The clinical and neuroimaging correlates of this polymorphism are still unknown. We investigated the association between BAIAP2 polymorphisms and DMN functional connectivity (FC) asymmetry as well as behavioral measures in ADHD adults...
September 12, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28938219/age-dependent-effects-of-acute-methylphenidate-on-amygdala-reactivity-in-stimulant-treatment-naive-patients-with-attention-deficit-hyperactivity-disorder
#10
Marco A Bottelier, Anouk Schrantee, Bart Ferguson, Hyke G H Tamminga, Cheima Bouziane, J J Sandra Kooij, Michiel B de Ruiter, Liesbeth Reneman
In the present study, we investigate whether methylphenidate (MPH) affects emotional processing and whether this effect is modulated by age. We measured amygdala reactivity with functional Magnetic Resonance Imaging (fMRI) during processing of angry and fearful facial expressions in male stimulant treatment-naive patients with ADHD (N = 35 boys; N = 46 men) and 23 healthy control subjects (N = 11 boys; N = 12 men). In ADHD patients, we also measured amygdala reactivity 90min after an acute oral challenge with MPH (0...
September 12, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28938218/late-life-suicide-prevention-strategies-current-status-and-future-directions
#11
REVIEW
Kim Van Orden, Charlene Deming
Late life suicide prevention differs from suicide prevention for other age groups: first, the number of older adults worldwide is on the rise; second, late-life suicide receives much less attention in all societal spheres, from the media, to federal funding agencies, to healthcare initiatives. Recent findings indicate an association between internalized ageist stereotypes and reduced will to live. Recent research also addresses the role of cognitive control as a contributor to risk and as an intervention target (e...
September 8, 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28938208/effects-of-process-operating-conditions-on-the-autotrophic-denitrification-of-nitrate-contaminated-groundwater-using-bioelectrochemical-systems
#12
D Cecconet, M Devecseri, A Callegari, A G Capodaglio
Nitrates have been detected in groundwater worldwide, and their presence can lead to serious groundwater use limitations, especially because of potential health problems. Amongst different options for their removal, bioelectrochemical systems (BESs) have achieved promising results; in particular, attention has raised on BES-driven autotrophic denitrification processes. In this work, the performance of a microbial electrolysis cell (MEC) for groundwater autotrophic denitrification, is assessed in different conditions of nitrate load, hydraulic retention time (HRT) and process configuration...
September 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28938200/atmospheric-deposition-of-mercury-and-cadmium-impacts-on-topsoil-in-a-typical-coal-mine-city-lianyuan-china
#13
Jie Liang, Chunting Feng, Guangming Zeng, Minzhou Zhong, Xiang Gao, Xiaodong Li, Xinyue He, Xin Li, Yilong Fang, Dan Mo
Mercury (Hg) and cadmium (Cd) in the atmosphere from coal combustion emissions play an important role in soil pollution. Therefore, the purposes of this study were to quantitatively evaluate the atmospheric Hg and Cd deposition and to determine the influence of atmospheric deposition on Hg and Cd contents in surface soil in a typical coal mine city. Atmospheric deposition samples were collected from May 2015 to May 2016 at 17 sites located in industrial, agricultural and forest areas in the Lianyuan city. Atmospheric Hg and Cd deposition fluxes in the different land use types showed high variability...
September 14, 2017: Chemosphere
https://www.readbyqxmd.com/read/28938172/artificial-intelligence-for-breast-cancer-screening-opportunity-or-hype
#14
Nehmat Houssami, Christoph I Lee, Diana S M Buist, Dacheng Tao
Interpretation of mammography for breast cancer (BC) screening can confer a mortality benefit through early BC detection, can miss a cancer that is present or fast growing, or can result in false-positives. Efforts to improve screening outcomes have mostly focused on intensifying imaging practices (double instead of single-reading, more frequent screens, or supplemental imaging) that may add substantial resource expenditures and harms associated with population screening. Less attention has been given to making mammography screening practice 'smarter' or more efficient...
September 19, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28938080/dr-polio-revisiting-fdr-s-medical-legacy
#15
Robert G Dorfman, Asher Orkaby, Sukumar P Desai
The National Foundation for Infantile Paralysis (NFIP), the March of Dimes, and the Georgia Warm Springs Resort were reflections of Franklin D. Roosevelt's (FDR) complicated and personal relationship with polio. Between 1934 and 1957, significant advances were made in the care of polio survivors, and new and innovative medical fields gained both public attention and funding. The plight of disabled Americans and questions of accessibility also received widespread national attention. The NFIP helped establish a new prototype for grassroots philanthropy and personified FDR's vision for national health insurance...
September 22, 2017: Canadian Bulletin of Medical History, Bulletin Canadien D'histoire de la Médecine
https://www.readbyqxmd.com/read/28937984/evidence-of-complex-contagion-of-information-in-social-media-an-experiment-using-twitter-bots
#16
Bjarke Mønsted, Piotr Sapieżyński, Emilio Ferrara, Sune Lehmann
It has recently become possible to study the dynamics of information diffusion in techno-social systems at scale, due to the emergence of online platforms, such as Twitter, with millions of users. One question that systematically recurs is whether information spreads according to simple or complex dynamics: does each exposure to a piece of information have an independent probability of a user adopting it (simple contagion), or does this probability depend instead on the number of sources of exposure, increasing above some threshold (complex contagion)? Most studies to date are observational and, therefore, unable to disentangle the effects of confounding factors such as social reinforcement, homophily, limited attention, or network community structure...
2017: PloS One
https://www.readbyqxmd.com/read/28937972/a-risk-factor-analysis-of-cognitive-impairment-in-elderly-patients-with-chronic-diseases-in-a-chinese-population
#17
Ye Li, Xiang Fang, Wei-Gang Zhao, Yan Chen, Shi-Lian Hu
BACKGROUND This study analyzed the risk factors of cognitive impairment (CI) in elderly patients with chronic diseases. MATERIAL AND METHODS In total of 385 elderly patients with chronic diseases were selected and assigned into CI and normal groups. The activities of daily living (ADL), global deterioration scale (GDS), Mini-Mental State Examination (MMSE), Montreal Cognitive Assessment Scale (MoCA), patient-generated subjective global assessment (PG-SGA), and mini nutritional assessment (MNA) were performed to analyze the differences between the 2 groups...
September 22, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28937938/anxiety-and-depression-among-college-students-with-attention-deficit-hyperactivity-disorder-adhd-cross-informant-sex-and-subtype-differences
#18
Jason M Nelson, Spencer W Liebel
OBJECTIVE: This study examined symptoms of anxiety and depression among college students with attention-deficit/hyperactivity disorder (ADHD). PARTICIPANTS: Data were collected between March 2011 and March 2016 from 150 college students with ADHD and 150 college students without ADHD. METHOD: Participants with ADHD were compared to a sex- and ethnicity-matched control group. For the ADHD group, parent and self-report of anxiety and depression were also compared...
September 22, 2017: Journal of American College Health: J of ACH
https://www.readbyqxmd.com/read/28937807/use-of-virtual-reality-in-improving-poststroke-neglect-promising-neuropsychological-and-neurophysiological-findings-from-a-case-study
#19
Rosaria De Luca, Viviana Lo Buono, Antonino Leo, Margherita Russo, Bianca Aragona, Simona Leonardi, Antonio Buda, Antonino Naro, Rocco Salvatore Calabrò
After experiencing a stroke in the right hemisphere, almost 50% of patients show unilateral spatial neglect (USN). Virtual Reality technologies offer impressive opportunities for both the rehabilitation and assessment of different cognitive deficits, including USN. A 57-year-old woman, affected by subarachnoid hemorrhage presented a severe left hemiparesis with severe cognitive and behavioral alterations, including temporal and spatial disorientation, reduction of attention and memory process, slowing ideation, USN, and depression of mood...
September 22, 2017: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/28937792/timeliness-of-measles-laboratory-reporting-and-factors-associated-with-delays-zhejiang-province-china-2009-2015
#20
Hanqing He, Rui Yan, Chunhong Fan, Fangyuan Jing, Ye Ding
In 2006, China targeted measles for elimination by 2012, but the goal was not achieved. In line with this goal, the timeliness of measles laboratory reporting should be evaluated to improve efficiency in implementing control measures. Laboratory-confirmed suspected measles cases reported to the measles surveillance system in Zhejiang Province, China, from 2009 to 2015 were collected. Three reporting periods were defined: transport duration (period from serum collected to serum received in lab), analysis duration (period from serum received to the result being reported), and total reporting duration...
September 22, 2017: Health Security
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